Rune Langoy / Mbed 2 deprecated i2c_detect

Util used to scan for I2C devices

Dependencies:   mbed

Fork of PRES11_I2C_Detect by EL-POM1001

I2C program used to scan the I2C bus for connected devices

Import program
i2c_detect - main.cpp

00001 #include "mbed.h"
00002 
00003 //SDA , SCL
00004 I2C i2cBus(I2C_SDA, I2C_SCL);
00005 
00006 int main()
00007 {
00008     i2cBus.frequency(100000);
00009 
00010     printf("\r\n Scanning for I2C devices (addresses in hex)\r\n ");
00011     printf("    0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f\r\n");
00012     for (int i = 0; i < 128; i += 16) {
00013         printf("%02x: ", i);
00014         for(int j = 0; j < 16; j++) {
00015             // Skip unwanted addresses
00016             if (i+j < 0x3 || i+j > 0x77) {
00017                 printf("   ");
00018                 continue;
00019             }
00020 
00021             if (!i2cBus.write(i+j<<1, NULL, 0))
00022                 printf("%02x ", i+j);
00023             else
00024                 printf("-- ");
00025 
00026         }
00027         printf("\r\n");
00028     }
00029 }
00030

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